SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Strength of Materials Simple Stress and Strain Deflection of Bar
A bar of 540 mm length and square cross-section of 30 mm × 30 mm is acted upon by a compressive force of 20 KN. Modulus of elasticity = 200 GPa. What is the
decrease in the length of the bar?
1
0.6 mm
2
6 mm
3
0.03 mm
4
0.06 mm